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A cartoon surgeon wearing green scrubs and a mask, holding a surgical tool above a patient lying on an operating table.

operar Preterite Conjugation

operarto perform surgery

B1regular -ar★★★★★
Quick answer:

The preterite of 'operar' is regular: operé, operaste, operó, operamos, operasteis, operaron.

operar Preterite Forms

yooperé
operaste
él/ella/ustedoperó
nosotrosoperamos
vosotrosoperasteis
ellos/ellas/ustedesoperaron

When to Use the Preterite

Use the preterite for completed actions of operating that happened at a specific point in the past. For example, 'El cirujano operó al paciente ayer' (The surgeon operated on the patient yesterday) or 'Operamos el corazón del niño la semana pasada' (We operated on the child's heart last week).

Notes on operar in the Preterite

Operar is a regular -ar verb and follows the standard conjugation pattern in the preterite tense. No stem changes or spelling alterations occur.

Example Sentences

  • Yo operé al paciente anoche.

    I operated on the patient last night.

    yo

  • ¿Tú operaste el tumor?

    Did you operate on the tumor?

  • Ella operó con éxito.

    She operated successfully.

    él/ella/usted

  • Nosotros operamos el apéndice.

    We operated on the appendix.

    nosotros

  • Ellos operaron al mediodía.

    They operated at noon.

    ellos/ellas/ustedes

Common Mistakes

  • Mistake: Using the imperfect tense instead of the preterite for a single, completed surgery.

    Correct: For a specific surgery that started and finished, use the preterite: 'El cirujano operó'. Use the imperfect ('operaba') for habitual or ongoing past surgeries.

    Why: The preterite marks a completed event, while the imperfect describes ongoing or habitual past actions.

  • Mistake: Forgetting the accent on 'yo' and 'él/ella/usted' forms ('opere' instead of 'operé' or 'operó').

    Correct: Remember the accents: 'operé' (yo) and 'operó' (él/ella/usted).

    Why: These accents are crucial for distinguishing the preterite forms and indicating stress.

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Related Tenses